Restructured a bit

[libfirm] / ir / ana / phiclass.h

diff --git a/ir/ana/phiclass.h b/ir/ana/phiclass.h
index d32b8e2..c7d0fb0 100644 (file)
--- a/ir/ana/phiclass.h
+++ b/ir/ana/phiclass.h
@@ -1,23 +1,43 @@
-/**
- * Analysis to compute phi congruence classes.
- * @author Daniel Grund
- * @cvsid  $Id$
- * @date   15.01.2005
+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
  */
 
-#ifndef _PHICLASS_H_
-#define _PHICLASS_H_
+/**
+ * @file
+ * @brief   Analysis to compute phi congruence classes.
+ * @author  Daniel Grund
+ * @version $Id$
+ * @date    15.01.2005
+ */
+#ifndef FIRM_ANA_PHICLASS_H
+#define FIRM_ANA_PHICLASS_H
 
 #include "pset.h"
 #include "irgraph.h"
 #include "irnode.h"
+#include "irnodeset.h"
 
 typedef struct _phi_classes_t phi_classes_t;
 
 /**
  * Return the array containing all nodes assigned to the same Phi class as @p irn.
  */
-ir_node **get_phi_class(phi_classes_t *pc, const ir_node *irn);
+ir_node **get_phi_class(phi_classes_t *pc, ir_node *irn);
 
 /**
  * Assigns a new array of nodes representing the new Phi class to @p irn.
@@ -31,19 +51,26 @@ pset *get_all_phi_classes(phi_classes_t *pc);
 
 /**
  * Builds the Phi classes for all Phis in @p irg.
+ * @param irg               The irg the classes should be build for
+ * @param pure_phi_classes  Set to one if Phi classes should only contain Phi nodes.
+ *                          Beware: This might result in different (more) Phi classes as if not set
  * @return The Phi class object for the @p irg.
  */
-phi_classes_t *phi_class_new_from_irg(ir_graph *irg);
+phi_classes_t *phi_class_new_from_irg(ir_graph *irg, int pure_phi_classes);
 
 /**
  * Builds all Phi classes for the given set of Phis.
+ * @param irg               The irg, the Phis are from
+ * @param all_phis          An ir_nodeset containing all Phis nodes to build the classes for
+ * @param pure_phi_classes  Set to one if Phi classes should only contain Phi nodes.
+ *                          Beware: This might result in different (more) Phi classes as if not set
  * @return The Phis class object for @p all_phis.
  */
-phi_classes_t *phi_class_new_from_set(ir_graph *irg, pset *all_phis);
+phi_classes_t *phi_class_new_from_set(ir_graph *irg, ir_nodeset_t *all_phis, int pure_phi_classes);
 
 /**
  * Free all allocated data.
  */
 void phi_class_free(phi_classes_t *pc);
 
-#endif /* _PHICLASS_H_ */
+#endif